The study, by the housing market information firm Hometrack, found that prices increased by just 0.1% during February - the third month in a row that prices have seen little growth.

"I do not expect to see any significant increase in the market until a resolution to the present conflict is apparent," said Hometrack's housing economist John Wriglesworth.

Hometrack predicted that house prices will grow by 4% this year across the UK as a whole, but said London property values would fall by 5%.

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The findings echo a number of recent property surveys that have suggested the UK's housing boom is ending.

Last week, the latest survey from the Royal Institution of Chartered Surveyors (RICS) found that prices in London and south-east England fell for the first time since November 2001.

War worries and jitters over the state of the UK economy were blamed for the fall.

Earlier this month, the Bank of England governor-designate Mervyn King said house price growth would probably slow to zero over the next two years.

London falling

Hometrack said the price slowdown was mainly due to falling values of expensive properties in London and the south-east of England.

The biggest rises were seen in East Sussex, where prices climbed by 0.9%, and in Cumbria, where property values rose by 0.6%.

"House prices actually achieved as a percentage of asking price have been steadily falling, and viewings per property and average time to sell are increasing," said Mr Wriglesworth.